Which foundation type does NOT qualify as a permanent foundation?

A foundation type that is considered a permanent foundation must meet specific criteria set forth by building codes and regulations. Permanent foundations provide stability and support to the structure, allowing it to withstand environmental factors and remain in place for an extended period. In contrast, a foundation that is directly placed on the ground typically does not meet these criteria.

When a manufactured home is simply placed on the ground without a proper foundation, it lacks the necessary support and stability, which can lead to issues with leveling, settling, and overall structural integrity. This type of foundation does not provide the same level of durability or protection against environmental factors as other foundation types like concrete slabs or pier and beam systems, which are designed to anchor the home securely.

Concrete slab and pier and beam foundations are recognized for their ability to provide long-lasting support, making them suitable choices for permanent installations. However, a foundation that is only placed on the ground fails to meet the permanent foundation requirements due to its lack of attachment to a stable structural system. Thus, it is correct to identify directly placed on the ground as the foundation type that does not qualify as permanent.